In a multiprocessor system of a main memory shared type having a plurality of nodes connected each other through signal lines; each of the plurality of nodes includes CPUs having caches therein, a main memory, and a node controller for performing communication control between the CPUs, main memory and...http://www.google.de/patents/US6789173?utm_source=gb-gplus-sharePatent US6789173 - Node controller for performing cache coherence control and memory-shared multiprocessor system
